how to navigate to last back stack in android studio

To navigate to the last back stack in Android Studio using Kotlin, follow these steps:

1. Get the FragmentManager instance using the supportFragmentManager property of the activity.
2. Check if the back stack entry count is greater than 0 using the backStackEntryCount property of the FragmentManager.
3. If the count is greater than 0, use the popBackStack() method of the FragmentManager to navigate to the last back stack entry.

These steps will allow you to navigate to the last back stack in Android Studio using Kotlin.